DRUG DESCRIPTION

NORCO® (hydrocodone bitartrate and acetaminophen) is supplied in tablet form for oral administration.

Hydrocodone bitartrate is an opioidanalgesic and antitussive and occurs as
fine, white crystals or as a crystalline powder. It is affected by light. The chemical name is 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6-one tartrate (1:1)
hydrate (2:5). It has the following structural formula:

C18H21NO3•C4H6O6•2½H2O
M. W. = 494.49

Acetaminophen, 4´-Hydroxyacetanilide, a slightly bitter, white, odorless,
crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic.
It has the following structural formula:

C8H9NO2 M. W. = 151.16

NORCO (hydrocodone bitartrate and acetaminophen) ®, for oral administration is available in the following strengths:

What are the precautions when taking hydrocodone bitartrate and acetaminophen (Norco)?

See also Warning section.

Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or to other narcotics (such as morphine, codeine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.